Merge the square of homology 3 (X-Y) - 7 (X-Y) + 8 (X-Y) + 6 (X-Y) Square of 3 (X-Y) - 7 (X-Y) + square of 8 (X-Y) + 6 (X-Y)
Square of 3 (X-Y) - 7 (X-Y) + square of 8 (X-Y) + 6 (X-Y)
=10(x-y)^2
Square of 3 (X-Y) - 7 (X-Y) + square of 8 (X-Y) + 6 (X-Y)
=10(x-y)^2